# Airworthiness directives that may apply: N223HT

A list on [N223HT](https://openairdocs.org/aircraft/N223HT.md).

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

- [AD 2024-17-02](https://openairdocs.org/ad/2024-17-02.md): Rotorcraft Tail Boom · Effective Nov 8, 2024
- [AD 2024-19-17](https://openairdocs.org/ad/2024-19-17.md): Rotorcraft flight control · Effective Oct 11, 2024
- [AD 2024-16-01](https://openairdocs.org/ad/2024-16-01.md): Fuselage structure · Effective Sep 4, 2024 · Supersedes AD 2000-18-09
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07.md): Ground Proximity System · Effective Jun 22, 2023 · Supersedes AD 2021-23-13
- [AD 2022-20-14](https://openairdocs.org/ad/2022-20-14.md): Main Rotor Gearbox · Effective Dec 27, 2022
- [AD 2022-22-12](https://openairdocs.org/ad/2022-22-12.md): Nose/Tail Landing Gear Structure/Axle · Effective Nov 22, 2022
- [AD 2022-21-11](https://openairdocs.org/ad/2022-21-11.md): Main rotor blades · Effective Nov 16, 2022
- [AD 2022-07-02](https://openairdocs.org/ad/2022-07-02.md): Rotorcraft Tail Boom · Effective May 9, 2022
- [AD 2022-05-10](https://openairdocs.org/ad/2022-05-10.md): Cabin Equipment/Furnishings · Effective Apr 20, 2022
- [AD 2022-06-03](https://openairdocs.org/ad/2022-06-03.md): Main Rotor System · Effective Mar 16, 2022 · Supersedes AD 2022-02-02
- [AD 2020-19-08](https://openairdocs.org/ad/2020-19-08.md): Main Rotor · Effective Oct 21, 2020
- [AD 2020-16-10](https://openairdocs.org/ad/2020-16-10.md): Cabin Equipment/Furnishings · Effective Sep 3, 2020
- [AD 2020-12-10](https://openairdocs.org/ad/2020-12-10.md): Tail Rotor Blades · Effective Jul 16, 2020 · Supersedes AD 2011-12-08
- [AD 2018-02-08](https://openairdocs.org/ad/2018-02-08.md): Main Rotor blades · Effective Feb 1, 2018
- [AD 2016-22-07](https://openairdocs.org/ad/2016-22-07.md): Main Rotor Blades · Effective Nov 30, 2016 · Supersedes AD 75-26-05
- [AD 2015-15-04](https://openairdocs.org/ad/2015-15-04.md): Main Rotor Blade Grip · Effective Aug 7, 2015
- [AD 2014-12-04](https://openairdocs.org/ad/2014-12-04.md): Main Rotor Head · Effective Jul 24, 2014 · Supersedes AD 2003-01-04
- [AD 2013-18-07](https://openairdocs.org/ad/2013-18-07.md): Tail Rotor Control System · Effective Oct 18, 2013 · Supersedes AD 76-12-07
- [AD 2013-15-02](https://openairdocs.org/ad/2013-15-02.md): Tail Rotor Blades · Effective Aug 14, 2013 · Supersedes AD 2008-10-03
- [AD 2013-03-16](https://openairdocs.org/ad/2013-03-16.md): Main Rotor Head · Effective Feb 27, 2013 · Supersedes AD 2011-08-01
- [AD 2012-17-08](https://openairdocs.org/ad/2012-17-08.md): Main Rotor Head · Effective Feb 27, 2013 · Supersedes AD 79-20-05, AD 81-19-01
- [AD 2012-26-11](https://openairdocs.org/ad/2012-26-11.md): Electrical power system wiring · Effective Feb 13, 2013
- [AD 2012-22-06](https://openairdocs.org/ad/2012-22-06.md): High Landing Gear Forward Crosstube Assembly · Effective Dec 14, 2012
- [AD 2011-23-02](https://openairdocs.org/ad/2011-23-02.md): Main rotor blade (blade) assemblies · Effective Nov 21, 2011 · Supersedes AD 2010-03-03
- [AD 2010-26-52](https://openairdocs.org/ad/2010-26-52.md): Tail Rotor Blade · Emergency AD · Effective Nov 15, 2011 · Supersedes AD 2007-19-53
- [AD 2010-10-16](https://openairdocs.org/ad/2010-10-16.md): Crosstube · Effective Jun 8, 2010
- [AD 2007-22-02](https://openairdocs.org/ad/2007-22-02.md): Tail rotor blade (blade) forward tip weight retention block (tip block) and the aft tip closure (tip closure) · Effective Nov 30, 2007 · Supersedes AD 2002-09-04
- [AD 2002-22-14](https://openairdocs.org/ad/2002-22-14.md): Main rotor tension-torsion (TT) straps · Effective Dec 13, 2002 · Supersedes AD 80-17-09
- [AD 2002-09-51](https://openairdocs.org/ad/2002-09-51.md): Tail rotor (T/R) grip · Emergency AD · Effective Aug 22, 2002 · Supersedes AD 2002-08-53
- [AD 2001-13-01](https://openairdocs.org/ad/2001-13-01.md): Tail Rotor Counterweight Bellcrank (bellcrank) Retention Nut (retention nut) · Effective Aug 1, 2001
- [AD 2001-08-04](https://openairdocs.org/ad/2001-08-04.md): Main Rotor Actuator · Effective May 3, 2001 · Supersedes AD 2000-25-03
- [AD 2000-15-52](https://openairdocs.org/ad/2000-15-52.md): Mast and main rotor trunnions · Emergency AD · Effective Dec 28, 2000 · Supersedes AD 2000-08-52, AD 98-24-15
- [AD 99-18-02](https://openairdocs.org/ad/99-18-02.md): Vertical Fin Spar Cap · Effective Oct 5, 1999
- [AD 99-17-03](https://openairdocs.org/ad/99-17-03.md): Tailboom Vertical Fin Spar · Effective Sep 16, 1999
- [AD 98-11-14](https://openairdocs.org/ad/98-11-14.md): Tail Rotor Yoke Assembly · Effective Feb 10, 1999
- [AD 95-10-07](https://openairdocs.org/ad/95-10-07.md): Tail Rotor Drive Gearbox Assembly · Effective May 26, 1995
- [AD 94-18-09](https://openairdocs.org/ad/94-18-09.md): Main Transmission Lower Planetary Spider · Effective Oct 14, 1994
- [AD 93-17-12](https://openairdocs.org/ad/93-17-12.md): Main Rotor Transmission Lower Planetary Spider · Effective Jul 29, 1994
- [AD 92-27-21](https://openairdocs.org/ad/92-27-21.md): Tail Rotor Driveshaft · Effective Jul 7, 1993
- [AD 92-23-01](https://openairdocs.org/ad/92-23-01.md): Main Rotor Pillow Blocks · Effective Apr 23, 1993
- [AD 92-13-10](https://openairdocs.org/ad/92-13-10.md): Tail Rotor Driveshaft Hanger Bearing · Effective Feb 23, 1993
- [AD 92-07-08](https://openairdocs.org/ad/92-07-08.md): Swashplate Support Assembly · Effective Mar 25, 1992
- [AD 90-03-10](https://openairdocs.org/ad/90-03-10.md): Tail Rotor Grips · Effective Oct 18, 1991
- [AD 89-20-12](https://openairdocs.org/ad/89-20-12.md): Tail Rotor Hub Assembly · Effective Aug 15, 1990
- [AD 90-03-09](https://openairdocs.org/ad/90-03-09.md): T/R Hub Assembly (See 90-03-09) · Effective Feb 13, 1990
- [AD 89-08-05](https://openairdocs.org/ad/89-08-05.md): Transmission Internal Sump Oil Filter · Effective Jan 3, 1990
- [AD 88-25-05](https://openairdocs.org/ad/88-25-05.md): Tail Rotor Grip Assembly · Effective Dec 13, 1988
- [AD 80-21-05](https://openairdocs.org/ad/80-21-05.md): Landing Gear Cross Tubes · Effective Oct 15, 1980
- [AD 80-03-07](https://openairdocs.org/ad/80-03-07.md): Fuselage Main Beams Splice · Effective Feb 5, 1980
- [AD 78-20-07](https://openairdocs.org/ad/78-20-07.md): Shoulder Radius Fitting · Effective Oct 25, 1978
- [AD 78-21-02](https://openairdocs.org/ad/78-21-02.md): External Load Link Assembly · Effective Oct 12, 1978
- [AD 78-14-07](https://openairdocs.org/ad/78-14-07.md): Skid Landing Gear · Effective Aug 10, 1978
- [AD 77-17-05](https://openairdocs.org/ad/77-17-05.md): Emergency Exit Latch Pin · Effective Jul 17, 1978
- [AD 77-17-03](https://openairdocs.org/ad/77-17-03.md): Tail Rotor Blade Pitch Horn · Effective Aug 19, 1977
- [AD 76-10-01](https://openairdocs.org/ad/76-10-01.md): Tail Boom · Effective Jul 1, 1977
- [AD 77-10-07](https://openairdocs.org/ad/77-10-07.md): Engine-to-Transmission Assembly · Effective May 18, 1977
- [AD 76-14-03](https://openairdocs.org/ad/76-14-03.md): Cross Tube Assemblies · Effective Aug 7, 1976
- [AD 76-06-02](https://openairdocs.org/ad/76-06-02.md): Fire Extinguisher Circuit · Effective Apr 26, 1976
- [AD 76-02-06](https://openairdocs.org/ad/76-02-06.md): Main Rotor Blades · Effective Feb 1, 1976
- [AD 75-26-03](https://openairdocs.org/ad/75-26-03.md): Emergency Exit Handle · Effective Jan 19, 1976
- [AD 71-21-02](https://openairdocs.org/ad/71-21-02.md): Tail Fin and Tail Boom · Effective Dec 23, 1974
- [AD 74-23-02](https://openairdocs.org/ad/74-23-02.md): Tail Rotor Pitch · Effective Nov 3, 1974
- [AD 74-02-01](https://openairdocs.org/ad/74-02-01.md): Tail Rotor Trunnion Bearings · Effective Feb 22, 1974
- [AD 73-17-04](https://openairdocs.org/ad/73-17-04.md): Tail Rotor Grips · Effective Aug 20, 1973
- [AD 73-16-03](https://openairdocs.org/ad/73-16-03.md): Landing Gear Cross Tubes · Effective Aug 13, 1973
- [AD 70-06-02](https://openairdocs.org/ad/70-06-02.md): Tail Rotor Grip Assembly · Effective Mar 13, 1970
- [AD 69-15-07](https://openairdocs.org/ad/69-15-07.md): Float Kit Tube · Effective Aug 16, 1969
- [AD 86-17-10](https://openairdocs.org/ad/86-17-10.md): T/R Hub Assembly (See 90-03-09)
- [AD 2022-10-02](https://openairdocs.org/ad/2022-10-02.md): Engine Controls · Effective Jun 28, 2022 · Supersedes AD 2002-03-01
- [AD 2009-15-13](https://openairdocs.org/ad/2009-15-13.md): Combustion chamber housings (CCHs) · Effective Aug 25, 2009
- [AD 2006-11-16](https://openairdocs.org/ad/2006-11-16.md): Fuel control regulator assemblies · Effective Jul 5, 2006 · Supersedes AD 98-22-11
- [AD 2006-01-05](https://openairdocs.org/ad/2006-01-05.md): Turboshaft engine · Effective Feb 16, 2006 · Supersedes AD 87-12-05
- [AD 2002-15-04](https://openairdocs.org/ad/2002-15-04.md): Compressor impellers · Effective Sep 10, 2002
- [AD 2002-09-09](https://openairdocs.org/ad/2002-09-09.md): Centrifugal Compressor Impeller · Effective Jun 13, 2002
- [AD 97-21-07 R1](https://openairdocs.org/ad/97-21-07-R1.md): Accessory Drive Carrier Assembly · Effective Jul 6, 1998
- [AD 97-07-05](https://openairdocs.org/ad/97-07-05.md): Accessory Drive Assembly · Effective Jun 24, 1997
- [AD 95-10-04](https://openairdocs.org/ad/95-10-04.md): Centrifugal Compressor Impeller · Effective May 25, 1995
- [AD 77-17-08](https://openairdocs.org/ad/77-17-08.md): Fuel Regulator P1 Multiplier Lever · Effective Mar 30, 1978
- [AD 75-22-02](https://openairdocs.org/ad/75-22-02.md): Secondary Failure N2 Accessory Drive Shaft · Effective Oct 29, 1975
- [AD 2022-02-02](https://openairdocs.org/ad/2022-02-02.md): Main Rotor System · Historical · Effective Feb 16, 2022 · Replaced by AD 2022-06-03
- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13.md): Ground Proximity System · Historical · Effective Dec 9, 2021 · Replaced by AD 2023-11-07
- [AD 2021-15-51](https://openairdocs.org/ad/2021-15-51.md): Main rotor system · Historical · Effective Aug 24, 2021
- [AD 2011-12-08](https://openairdocs.org/ad/2011-12-08.md): Tail rotor (T/R) blades · Historical · Effective Jul 5, 2011 · Replaced by AD 2020-12-10
- [AD 2008-10-03](https://openairdocs.org/ad/2008-10-03.md): Tail rotor blade assembly · Historical · Effective May 21, 2008 · Replaced by AD 2013-15-02
- [AD 2007-19-53](https://openairdocs.org/ad/2007-19-53.md): Tail rotor blade (blade) · Historical · Effective Dec 5, 2007 · Replaced by AD 2010-26-52
- [AD 2003-01-04](https://openairdocs.org/ad/2003-01-04.md): Main rotor grip · Historical · Effective Jan 30, 2003 · Replaced by AD 2014-12-04
- [AD 2002-09-04](https://openairdocs.org/ad/2002-09-04.md): Tip Block and Tip Closure · Historical · Effective Jun 7, 2002 · Replaced by AD 2007-22-02
- [AD 2002-08-53](https://openairdocs.org/ad/2002-08-53.md): T/R Grip · Historical · Replaced by AD 2002-09-51
- [AD 2000-25-03](https://openairdocs.org/ad/2000-25-03.md): Main Rotor Actuator Locking Washer · Historical · Effective Dec 28, 2000 · Replaced by AD 2001-08-04
- [AD 2000-08-52](https://openairdocs.org/ad/2000-08-52.md): Main Rotor System · Historical · Replaced by AD 2000-15-52
- [AD 98-24-15](https://openairdocs.org/ad/98-24-15.md): Main Rotor Mast and Trunnion · Historical · Effective Dec 8, 1998 · Replaced by AD 2000-08-52
- [AD 81-19-02](https://openairdocs.org/ad/81-19-02.md): Main Rotor Yoke · Historical · Effective Sep 30, 1981 · Replaced by AD 2012-17-08
- [AD 80-17-09](https://openairdocs.org/ad/80-17-09.md): Main Rotor Straps · Historical · Effective Sep 15, 1980 · Replaced by AD 2002-22-14
- [AD 79-20-05](https://openairdocs.org/ad/79-20-05.md): Main Rotor Hub Assembly · Historical · Effective Jan 18, 1980 · Replaced by AD 2012-17-08
- [AD 76-12-07](https://openairdocs.org/ad/76-12-07.md): Tail Rotor Chains · Historical · Effective Oct 29, 1979 · Replaced by AD 2013-18-07
- [AD 75-26-05](https://openairdocs.org/ad/75-26-05.md): Main Rotor Blades · Historical · Effective Jan 19, 1976 · Replaced by AD 2016-22-07
- [AD 2002-03-01](https://openairdocs.org/ad/2002-03-01.md): Reduction Gearbox Assembly · Historical · Effective Mar 21, 2002 · Replaced by AD 2022-10-02
- [AD 98-22-11](https://openairdocs.org/ad/98-22-11.md): Fuel Pumps · Historical · Effective Dec 18, 1998 · Replaced by AD 2006-11-16

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT d.ad_number, d.status, d.subject, d.effective_date, m.matched_by
FROM (
  SELECT ad_id, min(rank) AS rank, arg_min(matched_by, rank) AS matched_by
  FROM (SELECT ad_id, 1 AS rank, 'airframe' AS matched_by FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code = '1181414'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '33907')
  GROUP BY ad_id
) m JOIN 'https://openairdocs.org/data/latest/faa_directive.parquet' d USING (ad_id)
ORDER BY d.status = 'Historical', m.rank, coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC
```

This list as a web page: https://openairdocs.org/aircraft/N223HT/ads

---
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